Home / 52,032.40-78,048.49-40,203.36

Finding the Fourth Proportional to 52,032.40, 78,048.49 and 40,203.36

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Solution

The fourth proportional to 52,032.40, 78,048.49 and 40,203.36 is: 60,304.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,032.40 : 78,048.49 = 40,203.36 : x
  2. Step 2: Convert to fraction form
    52,032.40/78,048.49 = 40,203.36/x
  3. Step 3: Cross multiply
    52,032.40x = 78,048.49 × 40,203.36
  4. Step 4: Simplify right side
    52,032.40x = 3,137,811,440.42
  5. Step 5: Solve for x
    x = 3,137,811,440.42/52,032.40
  6. Step 6: Final answer
    x = 60,304.96

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.